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Merjenje tokovnega šuma pri korozijskih procesih : proučevanje pasivne plasti nerjavnega jekla PROKRON 3 na osnovi merjenja elektrokemijskega tokovnega šuma : magistrsko deloSlemnik, MojcaProučevali smo analizno metodo fluktuacij toka pasiviranja na različno toplotno obdelanih jeklih PROKRON 3, ki so bila predhodno pasivirana 20 ur v 0,1 M H2SO4 pri konstantnih napetostih: 0,20 V, ... 0,40 V, 0,60 V/NKE. Na osciloskopu smo snemali signale izmenične komponente toka, jih preslikali v frekvenčni prostor s FFT (fast fourier transform) metodo in izračunali vrednosti PSD (power spectral density), ki smo jih podali v odvisnosti od napetosti in frekvence. PSD krivulje imajo značilno obliko, ki se spreminja glede na toplotno obdelavo, vrednost napetosti pasiviranja in kvaliteto nastale pasivne plasti: stabilnost in hitrost obnavljanja. Površine pasivnih plasti smo fotografirali s SEM (scanning electronic microscope) metodo.Type of material - master's thesisPublication and manufacture - Ljubljana : [M. Slemnik], 1994Language - slovenianCOBISS.SI-ID - 583983
Author
Slemnik, Mojca
Other authors
Doleček, Valter |
Vlachy, Vojko
Topics
korozija |
elektrokemijski šum |
nerjavna jekla |
snemanje signalov |
hitra Fourierjeva transformacija |
motilni šum |
toplotna obdelava |
pasiviranje jekla |
FFT |
tok pasiviranja |
analiza signalov |
corrosion |
electrochemical noise |
signal recording |
fast Fourier transform |
disturbing noise |
stainless steels |
heat treatment |
steel passivation |
passive current |
electrochemical noise analysis
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pisarna A-003 (FERI) MD SLEMNIK M. MERJENJE pisarna A-003 (FERI) MD SLEMNIK M. MERJENJE |
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Slemnik, Mojca | 10727 |
Doleček, Valter | 00869 |
Vlachy, Vojko | 02563 |
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